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Finding the Fourth Proportional to 311,787.97, 467,566.47 and 112,054.53

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Solution

The fourth proportional to 311,787.97, 467,566.47 and 112,054.53 is: 168,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,787.97 : 467,566.47 = 112,054.53 : x
  2. Step 2: Convert to fraction form
    311,787.97/467,566.47 = 112,054.53/x
  3. Step 3: Cross multiply
    311,787.97x = 467,566.47 × 112,054.53
  4. Step 4: Simplify right side
    311,787.97x = 52,392,941,039.61
  5. Step 5: Solve for x
    x = 52,392,941,039.61/311,787.97
  6. Step 6: Final answer
    x = 168,040.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.